W-LIB011
The attribute languageID should be used when more than one … element is present
warning: reported, still valid
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
OIOUBL 2.1 Invoice rules (Denmark) 1.17.2
OIOUBL 2.1 Credit Note rules (Denmark) 1.17.2
OIOUBL 2.1 Reminder rules (Denmark) 1.17.2
Test
count(../cbc:Note) > 1 and not(./@languageID)
Checked with Denmark OIOUBL 2.1 Invoice